DE282015C - - Google Patents
Info
- Publication number
- DE282015C DE282015C DENDAT282015D DE282015DA DE282015C DE 282015 C DE282015 C DE 282015C DE NDAT282015 D DENDAT282015 D DE NDAT282015D DE 282015D A DE282015D A DE 282015DA DE 282015 C DE282015 C DE 282015C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- refraction
- negative
- index
- focal length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011521 glass Substances 0.000 description 2
- 241000031711 Cytophagaceae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/02—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having one + component only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE282015C true DE282015C (ru) |
Family
ID=537702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT282015D Active DE282015C (ru) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE282015C (ru) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220350A1 (de) * | 1981-05-29 | 1983-02-10 | Jan 94025 Portola Valley Calif. Hoogland | Linsensystem mit ebenem bildfeld |
| DE102008054873A1 (de) | 2008-12-18 | 2010-07-01 | Robert Bosch Gmbh | Handwerkzeug mit Gegenschwinger |
-
0
- DE DENDAT282015D patent/DE282015C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220350A1 (de) * | 1981-05-29 | 1983-02-10 | Jan 94025 Portola Valley Calif. Hoogland | Linsensystem mit ebenem bildfeld |
| DE102008054873A1 (de) | 2008-12-18 | 2010-07-01 | Robert Bosch Gmbh | Handwerkzeug mit Gegenschwinger |
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